Lower Burrell Officer Killed In Shooting, Suspected Gunman DeadLower Burrell Police Officer Fatally ShotOfficials say they tracked Post to the restaurant where they found him in a white jeep.(Photo Credit: KDKA)

Lower Burrell Officer Killed In Shooting, Suspected Gunman DeadLower Burrell Police Officer Fatally Shot"They received information that he would be here at the Dairy Queen in Lower Burrell, and New Kensington as well as Lower Burrell police officers proceeded there. As they approached this white jeep that’s parked in the parking lot of the Dairy Queen, he fired at Officer Kotecki and struck him.” -- John Peck, the Westmoreland County District Attorney(Photo Credit: KDKA)

Lower Burrell Officer Killed In Shooting, Suspected Gunman DeadLower Burrell Police Officer Fatally Shot“Please pray for the Kotecki family. Our thoughts and prayers go out to them. I know I’m devastated by this. Derek was a great, great police officer and he will be sadly missed by our community, by all of our department.” -- said Chief Tracy Lindo, of the Lower Burrell Police Department(Photo Credit: KDKA)

Lower Burrell Officer Killed In Shooting, Suspected Gunman DeadLower Burrell Police Officer Fatally Shot“I knew Derek pretty well and Derek was a very fine officer. He’s going to be greatly missed by his family and the community." --Ronald Hopkins, the retired chief of the Arnold Police Department.(Photo Credit: KDKA)

Lower Burrell Officer Killed In Shooting, Suspected Gunman DeadLower Burrell Police Officer Fatally ShotThe flags outside of the Lower Burrell Police Station flew at half-staff the day after the shooting as people across the area mourned the loss of Officer Kotecki.(Photo Credit: KDKA)

Lower Burrell Officer Killed In Shooting, Suspected Gunman DeadLower Burrell Police Officer Fatally ShotA procession escorts the body of the fallen officer from Westmoreland County to Allegheny County where an autopsy will be performed.(Photo Credit: Brenda Waters/KDKA)

Lower Burrell Officer Killed In Shooting, Suspected Gunman DeadLower Burrell Police Officer Fatally ShotA procession escorts the body of the fallen officer from Westmoreland County to Allegheny County where an autopsy will be performed.(Photo Credit: Brenda Waters/KDKA)